If you are a Poker Player, Linux has a game for you called ‘kpoker’. It’s designed for KDE but you still can play it on GNOME.
From Ubuntu Terminal screen (Applications > Accessories > Terminal), type:
taufanlubis@toshiba:~$ sudo apt-get install kpoker
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following NEW packages will be installed:
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 168kB of archives.
After unpacking 504kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com gutsy/main kpoker 4:3.5.8-0ubuntu1 [168kB]
Fetched 168kB in 2s (56.9kB/s)
Selecting previously deselected package kpoker.
(Reading database … 161021 files and directories currently installed.)
Unpacking kpoker (from …/kpoker_4%3a3.5.8-0ubuntu1_i386.deb) …
Setting up kpoker (4:3.5.8-0ubuntu1) …
How to play?
Open Applications > Games > kPoker